Question
Download Solution PDFBC 194 is the transistor used for:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFBC 194 is the transistor used for the amplification of AF signals.
Types of amplifiers
1.) Radio-frequency (RF) amplifier
- RF amplifiers are radio frequency amplifiers.
- They increase the amplitude of radio frequency waves. 20kHz to 300GHz. These are found in satellites, cell phone towers, and in dish antennas.
2.) Audio-frequency (AF) amplifier
- AF amplifiers are audio frequency amplifiers.
- They increase the amplitude of waves from 20Hz to 20kHz.
- These are widely used in speakers, microphones, earphones, etc
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